Marble and quartzite can be similar in appearance. Name two simple ID techniques that can be used to differentiate between the two
What will be an ideal response?
Answer: Marble reacts with HCl, while quartzite will not. Quartzite will scratch glass or steel, while marble will not.
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Graded beds refer to sedimentary beds that show a decrease in grain size from bottom to top. Indicate whether the statement is true or false
Population change =
A.
(Births + Deaths) 
(Immigration + Emigration)
B.
(Births 
Emigration) + (Deaths 
Immigration)
C.
(Births 
Immigration) + (Deaths 
Emigration)
D.
(Births + Emigration) 
(Deaths + Immigration)
E.
(Births + Immigration) 
(Deaths + Emigration)
The general term for glacially deposited sediments is alluvium
Indicate whether the statement is true or false
The ________ group and the ________ group are sheet silicates characterized by one direction of cleavage.
A. olivine; plagioclase B. mica; clay C. amphibole; pyroxene D. feldspar; quartz E. carbonate; sulfide